JPS6217892B2 - - Google Patents

Info

Publication number
JPS6217892B2
JPS6217892B2 JP8138179A JP8138179A JPS6217892B2 JP S6217892 B2 JPS6217892 B2 JP S6217892B2 JP 8138179 A JP8138179 A JP 8138179A JP 8138179 A JP8138179 A JP 8138179A JP S6217892 B2 JPS6217892 B2 JP S6217892B2
Authority
JP
Japan
Prior art keywords
transistors
circuit
transistor
input terminal
diodes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP8138179A
Other languages
English (en)
Japanese (ja)
Other versions
JPS566515A (en
Inventor
Yasuo Kominami
Tetsuo Sato
Masami Kawamura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP8138179A priority Critical patent/JPS566515A/ja
Publication of JPS566515A publication Critical patent/JPS566515A/ja
Publication of JPS6217892B2 publication Critical patent/JPS6217892B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G1/00Details of arrangements for controlling amplification
    • H03G1/0005Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0035Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/0052Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using diodes

Landscapes

  • Control Of Amplification And Gain Control (AREA)
JP8138179A 1979-06-29 1979-06-29 Voltage control variable gain circuit Granted JPS566515A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8138179A JPS566515A (en) 1979-06-29 1979-06-29 Voltage control variable gain circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8138179A JPS566515A (en) 1979-06-29 1979-06-29 Voltage control variable gain circuit

Publications (2)

Publication Number Publication Date
JPS566515A JPS566515A (en) 1981-01-23
JPS6217892B2 true JPS6217892B2 (enrdf_load_stackoverflow) 1987-04-20

Family

ID=13744711

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8138179A Granted JPS566515A (en) 1979-06-29 1979-06-29 Voltage control variable gain circuit

Country Status (1)

Country Link
JP (1) JPS566515A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57202210U (enrdf_load_stackoverflow) * 1981-06-19 1982-12-23

Also Published As

Publication number Publication date
JPS566515A (en) 1981-01-23

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